milk sibling

• milk-sibling

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English Wikipedia has an article on:

Milk kinship

Wikipedia

milk sibling (plural milk siblings)

1. A person who is not one's biological sibling but was nursed by the same woman as oneself.
   • 2004, Rebecca Popenoe, Feeding Desire: Fatness, Beauty, and Sexuality Among a Saharan People, Routledge, published 2004, →ISBN, page 94:

     But knowingly to marry someone who is a milk sibling is, as Sidi told me gravely, to go against Islam.

The concept of milk kinship is notably present in Islamic law (shari'a), under which milk siblings are forbidden to marry.

• For more quotations using this term, see Citations:milk sibling.

• milk brother
• milk sister